We Are Moving to a New Location
Bumblebee Pro Artur Fisher, loading the truck

We Are Moving to a New Location

Some time ago I've realized that we have outgrown our existing business space that I have been renting for the last five years, nearly since the beginning of my ribbon microphone manufacturing adventure. It took some weeks to go through the offers and visit different locations until I've finally found the one I instantly fell…

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What is a DI Box and How It Works
Bumblebee Active DI Box Top View

What is a DI Box and How It Works

When I first added the Bb-D1 Active DI box DIY kit in our product range, I quickly discovered that the general idea of this device often causes some confusion. Especially to people who haven't been recording bass guitars or haven't performed on stage a lot. I've decided to write a short post in order to…

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Discrete Op-Amp Jfet Active DI Prototype
Discrete Op-Amp DI Jfet Direct Box with Output Transformer

Discrete Op-Amp Jfet Active DI Prototype

Discrete Op-Amp Active DI - the First Test Today we've tested a couple of newly assembled Active DI prototypes with practicing musicians and some curios listeners. This Active DI Box is a discrete op-amp based device with transformer-coupled output and Jfet input stage. We've started experimenting with the idea few months ago and development took some time.…

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